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Derivation of MSC-like cell population from feeder free culture hESC and their proteomic analysis for comparison study with BM-
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2024-01-31 09:54
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323
Park SJ*, Jeon YJ, Kim J, Shin JM, Chae JI, Chung HM. Derivation of MSC-like cell population from feeder free culture hESC and their proteomic analysis for comparison study with BM-MSC. Reprod Dev Biol. 2010 34(3):143-151. (Feeder Free 상태에서 배양된 인간 배아 줄기세포를 이용한 중간엽 줄기세포 분화 및 단백체학을 이용한 골수 유래 중간엽 줄기세포와의 비교)
Abstract
Pluripotency of human embryonic stem cell (hESC) is one of the most valuable ability of hESCs for applying cell therapy field, but also showing side effect, for example teratoma formation. When transplant multipotent stem cell, such as mesnchymal stem cell (MSC) which retains similar differentiation ability, they do not form teratoma in vivo, but there exist limitation of cellular source supply. Accordingly, differentiation of hESC into MSC will be promising cellular source with strong points of both hESC and MSC line. In this study, we described the derivation of MSC like cell population from feeder free cultured hESC (hESC-MSC) using direct differentiation system. Cells population, hESC-MSC and bone marrow derived MSC (BM-MSC) retained similar characteristics in vitro, such as morphology, MSC specific marker expression and differentiation capacity. At the point of differentiation of both cell populations, differentiation rate was slower in hESC-MSC than BM-MSC. As these reason, to verify differentially expressed molecular condition of both cell population which bring out different differentiation rate, we compare the molecular condition of hESC-MSC and BM-MSC using 2-D proteomic analysis tool. In the proteomic analysis, we identified 49 differentially expressed proteins in hESC-MSC and BM-MSC, and they involved in different biological process such as positive regulation of molecular function, biological process, cellular metabolic process, nitrogen compound metabolic process, macromolecule metabolic process, metabolic process, molecular function, and positive regulation of molecular function and regulation of ubiquitin protein ligase activity during mitotic cell cycle, cellular response to stress, and RNA localization. As the related function of differentially expressed proteins, we sought to these proteins were key regulators which contribute to their differentiation rate, developmental process and cell proliferation. Our results suggest that the expressions of these proteins between the hESC-MSC and BM-MSC, could give to us further evidence for hESC differentiation into the mesenchymal stem cell is associated with a differentiation factor. As the initial step to understand fundamental difference of hESC-MSC and BM-MSC, we sought to investigate different protein expression profile. And the grafting of hESC differentiation into MSC and their comparative proteomic analysis will be positively contribute to cell therapy without cellular source limitation, also with exact background of their molecular condition.keywords
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Derivation of MSC-like cell population from feeder free culture hESC and their proteomic analysis for comparison study with BM-
관리자
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2024.01.31
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추천 0
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조회 323
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관리자 | 2024.01.31 | 0 | 323 |
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Effective isolation of endodermal lineage cells derived from human embryonic stem cells post activin-a treatment
성미 이
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2024.01.31
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추천 0
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조회 260
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성미 이 | 2024.01.31 | 0 | 260 |
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